IISER Exam Model Papers 2 : Mathematics

IISER Exam Model Papers 2 : Mathematics

31. The equations of two lines are x + 2y = 1 and 2x − y = 3.

A. These lines are parallel.
B. These lines are perpendicular.
C. These lines are at an angle of 60
D. These lines are at an angle of 30
 

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